Bump cache for trio zyg fix

Author: davmlaw

variantgrid/settings/components/default_settings.py

@@ -97,7 +97,7 @@
 CACHE_HOURS = 48
 TIMEOUT = 60 * 60 * CACHE_HOURS
 REDIS_PORT = 6379
-CACHE_VERSION = 40  # increment to flush caches (eg if invalid due to upgrade)
+CACHE_VERSION = 41  # increment to flush caches (eg if invalid due to upgrade)
 CACHES = {
     'default': {
         "BACKEND": "django.core.cache.backends.redis.RedisCache",